ZATCA Phase-2 UBL 2.1 Pre-Clearance XML Validator

Client-side cryptographic hash and XML syntax linter for GCC electronic tax invoice compliance.

Target User & Persona

Tax Directors, GCC Financial Controllers, and ERP Integration Leads.

Problem Solved

Prevents tax clearance rejections and statutory audit penalties by pre-validating invoice cryptographic hash digests, UUID formats, and tax total rounding prior to ERP clearance transmission.

Fiduciary Data Boundary & Privacy Contract

Verified Immutable

Zero invoice data leaves your machine. The W3C XML parser and SHA-256 cryptographic check execute client-side.

Functional Capabilities & Specs

✓ W3C XML Schema validation engine running in browser WebWorker
✓ Sha256 hash digest verification and base64 certificate inspection
✓ Diagnostic error table with line-number references
✓ Pre-flight compliance report generator

Required System Inputs

UBL 2.1 XML Invoice payload

Generated Fiduciary Outputs

Validation pass/fail report, cryptographic stamp integrity verification, syntax errors

Runtime & Setup Requirements

Runs in modern browser Web Workers. No external tax portal connectivity required.

Support & Statutory Maintenance SLA

Maintained against latest ZATCA release wave specifications and UAE MoF drafts.

Licensing & Entitlement

Complimentary Access

Tier: member · browser local

✓Zero cloud egress for client-side calculations.

✓Aligned with UAE MoF & ZATCA statutory schemas.

✓Audited formulas with zero circular references.